Researchers at the Georgia Institute of Technology have created a passive motion/contact sensor that detects motion using ...

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The new 3D ultrasonic sensor from Toposens provides reliable object detection and situational awareness for a wide range of autonomous systems like battery-powered robots, automated parking, and ...

A high brightness white LED night light, that is activated by an ultrasonic sensor, with battery backup based on a joule thief circuit. Full details of the build are given as I step through the design ...

(Nanowerk News) It will soon be possible to measure ultrasonic sound using water, air, light and nanotechnology – over a hundred times more accurately than with existing sensors. This innovative ...